Patent Number: 6,332,902

Title: Filter unit having a filter cleaning nozzle associated with the filter unit and including a guide body

Abstract: A filter unit for filtering gas has at least one filter element with an outlet opening. A filter cleaning nozzle is located in a clean-gas chamber at a distance from the outlet opening and is connected to a source of pressurized primary cleaning gas via a control valve. Primary cleaning gas is ejected from an annular slot and along the outer side of a guide body located in the clean-gas chamber. The guide body is open to the secondary gas in the chamber.

Inventors: Simonsen; Per (Jyllinge, DK), Hansen; Ove Emil (Aller.o slashed.d, DK)

Assignee: Niro A/S

International Classification: B01D 46/42 (20060101); B01D 46/04 (20060101); B01D 46/24 (20060101); B01D 029/68 ()

Expiration Date: 12/25/2018